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Finding the Fourth Proportional to 5,648.48, 8,475.12 and 4,352.48

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Solution

The fourth proportional to 5,648.48, 8,475.12 and 4,352.48 is: 6,530.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,648.48 : 8,475.12 = 4,352.48 : x
  2. Step 2: Convert to fraction form
    5,648.48/8,475.12 = 4,352.48/x
  3. Step 3: Cross multiply
    5,648.48x = 8,475.12 × 4,352.48
  4. Step 4: Simplify right side
    5,648.48x = 36,887,790.30
  5. Step 5: Solve for x
    x = 36,887,790.30/5,648.48
  6. Step 6: Final answer
    x = 6,530.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.